» Comrades Marathon    87km race in Durban, South Africa with information about the race, videos and photos, FAQs, chat room, results, route and history.    http://www.comrades.com/

» Marathon Des Sables    Six-day marathon across the Sahara Desert in Morocco with a description of the event, past results, registration details and pictures.    http://www.saharamarathon.co.uk/